Seth wheeleb



SETH WHEELER, OF ALBANY, NEWmYOR-Kn IMPROVEWEN'T IN PERMUTATION LOOKS.

TO ALL WHOM IT MAY CONCERN: I

Be it. known that I, SETH WIi'EELER, of the city and county of Albany,in the State of New York, have invented and made a certain new anduseful Improvement in Locks; and I do hereby declare the following to-he a full, clear, and exact description of the same. reference beinp;had to the annexed drawings, making part of this specification, wherein-Figure 1 is an interior view of the lock with the bolt projected. Figure2 is a section through the tumblers and ring key as applied to the lock.Figure 3 is a view of the front of the lock and dials; and Figure 4 isan elevation of the key ring, showing also the positions of the parts ofthe dials in dotted lines. Similar letters indicate the same parts.Circular tumblers have heretofore been applied upon sleeves moved bydials outside the lock, around the edges of Whirl] tumblers are teeth,and one deep slot to receive a stud or plate on thebolt, and allow ofits being moved back. The nature of my said invention consists in acircular tumbler with teeth around its edgc and a slot to receive thestud of the bolt, rendered changeable in its position to the dial bymeans of teeth on 1iernuitation-wheels attached to the sleeve or theshaft that connects the dial and tumbler; and I employ a movable studthat can be placed in one of two notches in the tumbler or dial, onebeing opposite the tooth, theother opposite the space, so that thetumbler maybe placed in twice as many positions to the dial as thereiareteeth around the permutation-wheel; and I employ a ring shaped key, withadjustable fingers taking the dials, ,by means of which they and thetumblers may be set to position for opening the lock, even when thenumbers or divisions of the dial cannot be seen.

In the drawings, a. is the case of the lock; Z), the face of the door orplace to which the lock is attached .;4 e

is the bolt, moved by the knob (Z; and c is the plate or stud upon thebolt, which, taking the edge's of the circular tumblersf 7i, preventsthe bolt being drawn back but when said tumblers are turned, so thatthestud 1, passes into the notch g, the bolt may be drawn back. There maybe any desired number of these circular tpmblers; I have shown two; andi is a sleeve to the permutation-wheel a: of the tumbler 7L, and k is astud or shaft to the permutation-wheel 0 of the tumbler f. Thesleevez'is a prolongation from the dial Z; and the shaft 7: has an indexor pointer, 72. The tumblers f and h are formed as rings, and withintheir openingsare the permutation-wheels0 and 9:, united by smallscrews, or otherwise, with the sleeve 1' and shaft is, respectively, Thepermutation-wheels o and .n have half the number of teeth that there aredivisions upon the dial Z; and two notches are formed in each tumbler,one opposite the end of one of the teeth, (in 0 or :v,) the otheropposite one of the openings between the teeth. 2 is a movable stud'thatmay be placed in either of these openings. It will now be understoodthat the tumblers f and'h may be placed upon the permutation-wheels oand a; in any desired position, so that a given number on the dial Iwill correspond to the index on the dial-plate m, and the index n willpoint to a given number on I when the notches g in the tumblers are inposition for allowing the bolt to be withdrawn.

In order to form a ring key to open my improved look, I provide a shortcylinder, 1), upon which is a stud, 3, to stop against a pin, 4, in thedial-plate m; and Sand 6 are fingers upon rings, received within thecylinder 1) upon a flange, and clamped, when in position, by the hollownut q. The finger 5 is to act upon a stop, 7, upon the dial Z, and thefinger 6 to act upon the pointer 21; hence, when this ring key isapplied to the dials and set when the lock is unlocked, the respectiveparts will be turned into the same position for opening the lock whenlocked by the application of the ring key, and turning it until therespective fingers and stops are brought into their positions by thesaid ring key. The wheel It may be applied beneath the dial Z instead ofwithin the tumbler 7L, but I prefer the arrangement shown.

What I claim, and desire to secure by Letters Patent, is 1. Thepermutationdvheel, in combination with a circular tumbler, an indicatingdial, a sleeve, and a tooth or space for connecting the tumbler anddial, constructed and arranged substantially as and for the purposesspecified. v

2. I claim a movable stud or tooth, in combination with the dial ortumbler, as specified, whereby the tumbler can be placed in a greaternumber of positions relatively to the dial than there are teeth in thegear, as set fortln 3. In combination with a series of tumblers, assctforth, I claim a key formed of a series of changeable or adjustablerings acting on studs or projections, its specified.

v In witness whereof I have hereunto set my signature this seventh dayof June, A. D. 1866.

SETH "WHEELER,

- Witnesses:

E. WncKERnAcnX, WM. B. DERBY.

